function main(defaultParams) {
    debugger
    let self = this;
    let selectRegionCode = defaultParams.id;
    let pageTableList = self.$$("page_widget_list_52622u");
    if (pageTableList) {
        if (pageTableList.dataEngine && pageTableList.dataEngine.state) {
            // 给列表组件设置参数，参数名meter_id为要过滤列表中的列名，后面为参数值，取自树节点参数
            pageTableList.$children[0].$$setExtraParams({
                regionCode: selectRegionCode
            })
            // 找到列表部件中的表格组件元素
            let tableComp = pageTableList.dataEngine.state.getElement("table_3aakgg");
            if (tableComp) {
                //执行列表刷新
                tableComp.$$refreshData();
            }
        }
    }
}
